The Tipiṭaka in Three Languages

Sekhiyakaṇḍa

Vinayapiṭaka · Parivāra · Vol. 8 · Section 427

[427] Out of disrespect (anādariya), one who opens the door of the mouth when the morsel has not yet been brought to it commits one offence (āpatti): a dukkaṭa.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places